ceph rack故障域调整

2020-07-07 400

本文主要介绍ceph的树状层次结构调整，以rack故障域为例展开。

在开始操作之前介绍一种使用crushmap 导出和导入的方法也可以进行调整，但是这个操作起来需要具备一定ceph基础知识。优点是操作简单，缺点是修改起来要求逻辑严谨、ceph基本功扎实。

集群修改crushmap
1.下载当前系统的crushmap：
ceph osd getcrushmap -o crushmap
2.decompile该crushmap：
crushtool -d crushmap -o real_crushmap
3.修改该crushmap：
这里调整树状层次结构以及规则。
4.compile 修改后的real_crushmap：
crushtool -c real_crushmap -o new_crushmap  //c-compile  -o outfile
5.将encode后的new_crushmap导入系统：
ceph osd setcrushmap -i new_crushmap  // i-input/bulid

开始进行rack故障域调整

机柜和节点对应关系：
A-11： 25 28 31 34
A-12： 26 29 32
A-13： 27 30 33 35

操作步骤

1、执行ceph -s确认存储集群状态，保证为健康状态。

 ceph -s
  cluster:
    id:     991ffe01-8ef5-42dd-bf2e-ae885fc77555
    health: HEALTH_OK

  services:
    mon:        3 daemons, quorum node-1,node-2,node-3
    mgr:        node-1(active), standbys: node-2, node-3
    osd:        99 osds: 99 up, 99 in
                flags nodeep-scrub
    rbd-mirror: 1 daemon active
    rgw:        3 daemons active

  data:
    pools:   12 pools, 3904 pgs
    objects: 87.52k objects, 320GiB
    usage:   1.04TiB used, 643TiB / 644TiB avail
    pgs:     3904 active+clean

  io:
    client:   37.2KiB/s rd, 1.30MiB/s wr, 27op/s rd, 120op/s wr

2、执行ceph osd tree ,记录变更前的结构。以及存储池pool及其他信息。

ceph osd tree
ID  CLASS WEIGHT    TYPE NAME                STATUS REWEIGHT PRI-AFF 
 -4         3.39185 root ssdpool                                     
-67         0.30835     host node-25_ssdpool                         
 98   hdd   0.30835         osd.98               up  1.00000 1.00000 
-46         0.30835     host node-26_ssdpool                         
  8   hdd   0.30835         osd.8                up  1.00000 1.00000 
-37         0.30835     host node-27_ssdpool                         
 17   hdd   0.30835         osd.17               up  1.00000 1.00000 
-58         0.30835     host node-28_ssdpool                         
 26   hdd   0.30835         osd.26               up  1.00000 1.00000 
-55         0.30835     host node-29_ssdpool                         
 35   hdd   0.30835         osd.35               up  1.00000 1.00000 
-61         0.30835     host node-30_ssdpool                         
 44   hdd   0.30835         osd.44               up  1.00000 1.00000 
-41         0.30835     host node-31_ssdpool                         
 53   hdd   0.30835         osd.53               up  1.00000 1.00000 
-50         0.30835     host node-32_ssdpool                         
 62   hdd   0.30835         osd.62               up  1.00000 1.00000 
 -6         0.30835     host node-33_ssdpool                         
 71   hdd   0.30835         osd.71               up  1.00000 1.00000 
-49         0.30835     host node-34_ssdpool                         
 80   hdd   0.30835         osd.80               up  1.00000 1.00000 
-64         0.30835     host node-35_ssdpool                         
 89   hdd   0.30835         osd.89               up  1.00000 1.00000 
 -1       642.12769 root default                                     
-70        58.37524     host node-25                                 
 90   ssd   7.29691         osd.90               up  1.00000 1.00000 
 91   ssd   7.29691         osd.91               up  1.00000 1.00000 
 92   ssd   7.29691         osd.92               up  1.00000 1.00000 
 93   ssd   7.29691         osd.93               up  1.00000 1.00000 
 94   ssd   7.29691         osd.94               up  1.00000 1.00000 
 95   ssd   7.29691         osd.95               up  1.00000 1.00000 
 96   ssd   7.29691         osd.96               up  1.00000 1.00000 
 97   ssd   7.29691         osd.97               up  1.00000 1.00000 
-12        58.37524     host node-26                                 
  0   ssd   7.29691         osd.0                up  1.00000 1.00000 
  1   ssd   7.29691         osd.1                up  1.00000 1.00000 
  2   ssd   7.29691         osd.2                up  1.00000 1.00000 
  3   ssd   7.29691         osd.3                up  1.00000 1.00000 
  4   ssd   7.29691         osd.4                up  1.00000 1.00000 
  5   ssd   7.29691         osd.5                up  1.00000 1.00000 
  6   ssd   7.29691         osd.6                up  1.00000 1.00000 
  7   ssd   7.29691         osd.7                up  1.00000 1.00000 
 -5        58.37524     host node-27                                 
  9   ssd   7.29691         osd.9                up  1.00000 1.00000 
 10   ssd   7.29691         osd.10               up  1.00000 1.00000 
 11   ssd   7.29691         osd.11               up  1.00000 1.00000 
 12   ssd   7.29691         osd.12               up  1.00000 1.00000 
 13   ssd   7.29691         osd.13               up  1.00000 1.00000 
 14   ssd   7.29691         osd.14               up  1.00000 1.00000 
 15   ssd   7.29691         osd.15               up  1.00000 1.00000 
 16   ssd   7.29691         osd.16               up  1.00000 1.00000 
 -3        58.37524     host node-28                                 
 18   ssd   7.29691         osd.18               up  1.00000 1.00000 
 19   ssd   7.29691         osd.19               up  1.00000 1.00000 
 20   ssd   7.29691         osd.20               up  1.00000 1.00000 
 21   ssd   7.29691         osd.21               up  1.00000 1.00000 
 22   ssd   7.29691         osd.22               up  1.00000 1.00000 
 23   ssd   7.29691         osd.23               up  1.00000 1.00000 
 24   ssd   7.29691         osd.24               up  1.00000 1.00000 
 25   ssd   7.29691         osd.25               up  1.00000 1.00000 
-11        58.37524     host node-29                                 
 27   ssd   7.29691         osd.27               up  1.00000 1.00000 
 28   ssd   7.29691         osd.28               up  1.00000 1.00000 
 29   ssd   7.29691         osd.29               up  1.00000 1.00000 
 30   ssd   7.29691         osd.30               up  1.00000 1.00000 
 31   ssd   7.29691         osd.31               up  1.00000 1.00000 
 32   ssd   7.29691         osd.32               up  1.00000 1.00000 
 33   ssd   7.29691         osd.33               up  1.00000 1.00000 
 34   ssd   7.29691         osd.34               up  1.00000 1.00000 
-10        58.37524     host node-30                                 
 36   ssd   7.29691         osd.36               up  1.00000 1.00000 
 37   ssd   7.29691         osd.37               up  1.00000 1.00000 
 38   ssd   7.29691         osd.38               up  1.00000 1.00000 
 39   ssd   7.29691         osd.39               up  1.00000 1.00000 
 40   ssd   7.29691         osd.40               up  1.00000 1.00000 
 41   ssd   7.29691         osd.41               up  1.00000 1.00000 
 42   ssd   7.29691         osd.42               up  1.00000 1.00000 
 43   ssd   7.29691         osd.43               up  1.00000 1.00000 
 -9        58.37524     host node-31                                 
 45   ssd   7.29691         osd.45               up  1.00000 1.00000 
 46   ssd   7.29691         osd.46               up  1.00000 1.00000 
 47   ssd   7.29691         osd.47               up  1.00000 1.00000 
 48   ssd   7.29691         osd.48               up  1.00000 1.00000 
 49   ssd   7.29691         osd.49               up  1.00000 1.00000 
 50   ssd   7.29691         osd.50               up  1.00000 1.00000 
 51   ssd   7.29691         osd.51               up  1.00000 1.00000 
 52   ssd   7.29691         osd.52               up  1.00000 1.00000 
 -8        58.37524     host node-32                                 
 54   ssd   7.29691         osd.54               up  1.00000 1.00000 
 55   ssd   7.29691         osd.55               up  1.00000 1.00000 
 56   ssd   7.29691         osd.56               up  1.00000 1.00000 
 57   ssd   7.29691         osd.57               up  1.00000 1.00000 
 58   ssd   7.29691         osd.58               up  1.00000 1.00000 
 59   ssd   7.29691         osd.59               up  1.00000 1.00000 
 60   ssd   7.29691         osd.60               up  1.00000 1.00000 
 61   ssd   7.29691         osd.61               up  1.00000 1.00000 
-40        58.37524     host node-33                                 
 63   ssd   7.29691         osd.63               up  1.00000 1.00000 
 64   ssd   7.29691         osd.64               up  1.00000 1.00000 
 65   ssd   7.29691         osd.65               up  1.00000 1.00000 
 66   ssd   7.29691         osd.66               up  1.00000 1.00000 
 67   ssd   7.29691         osd.67               up  1.00000 1.00000 
 68   ssd   7.29691         osd.68               up  1.00000 1.00000 
 69   ssd   7.29691         osd.69               up  1.00000 1.00000 
 70   ssd   7.29691         osd.70               up  1.00000 1.00000 
 -7        58.37524     host node-34                                 
 72   ssd   7.29691         osd.72               up  1.00000 1.00000 
 73   ssd   7.29691         osd.73               up  1.00000 1.00000 
 74   ssd   7.29691         osd.74               up  1.00000 1.00000 
 75   ssd   7.29691         osd.75               up  1.00000 1.00000 
 76   ssd   7.29691         osd.76               up  1.00000 1.00000 
 77   ssd   7.29691         osd.77               up  1.00000 1.00000 
 78   ssd   7.29691         osd.78               up  1.00000 1.00000 
 79   ssd   7.29691         osd.79               up  1.00000 1.00000 
 -2        58.37524     host node-35                                 
 81   ssd   7.29691         osd.81               up  1.00000 1.00000 
 82   ssd   7.29691         osd.82               up  1.00000 1.00000 
 83   ssd   7.29691         osd.83               up  1.00000 1.00000 
 84   ssd   7.29691         osd.84               up  1.00000 1.00000 
 85   ssd   7.29691         osd.85               up  1.00000 1.00000 
 86   ssd   7.29691         osd.86               up  1.00000 1.00000 
 87   ssd   7.29691         osd.87               up  1.00000 1.00000 
 88   ssd   7.29691         osd.88               up  1.00000 1.00000

查看存储池pool规则及其他详细信息

ceph osd pool ls detail
pool 1 '.rgw.root' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 826 lfor 0/825 flags hashpspool stripe_width 0 application rgw
pool 2 'volumes' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 2048 pgp_num 2048 last_change 1347 lfor 0/326 flags hashpspool stripe_width 0 application cinder-volume
    removed_snaps [1~21]
pool 3 'rbd' replicated size 3 min_size 1 crush_rule 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 726 flags hashpspool stripe_width 0
    removed_snaps [1~9]
pool 4 'compute' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 512 pgp_num 512 last_change 1361 lfor 0/323 flags hashpspool stripe_width 0
    removed_snaps [1~4,6~e,15~1,1c~6]
pool 5 'ssdpool' replicated size 3 min_size 1 crush_rule 1 object_hash rjenkins pg_num 256 pgp_num 256 last_change 45 flags hashpspool stripe_width 0
    removed_snaps [1~3]
pool 6 'default.rgw.control' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 897 lfor 0/896 flags hashpspool stripe_width 0 application rgw
pool 7 'default.rgw.meta' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 904 lfor 0/903 flags hashpspool stripe_width 0 application rgw
pool 8 'default.rgw.log' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 923 lfor 0/922 flags hashpspool stripe_width 0 application rgw
pool 9 'backups' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 930 lfor 0/929 flags hashpspool stripe_width 0 application cinder-backup
    removed_snaps [1~3]
pool 10 'metrics' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 937 lfor 0/936 flags hashpspool stripe_width 0
pool 11 'default.rgw.buckets.index' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 944 lfor 0/943 flags hashpspool stripe_width 0 application rgw
pool 12 'default.rgw.buckets.data' replicated size 3 min_size 2 crush_rule 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 947 lfor 0/946 flags hashpspool stripe_width 0 application rgw

3、备份集群的crushmap文件。

ceph osd getcrushmap -o crushmap.bak

该文件用于恢复到原先crushmap状态。
4、添加rack类型的bucket。

ceph osd crush add-bucket rackA-11 rack
ceph osd crush add-bucket rackA-12 rack
ceph osd crush add-bucket rackA-13 rack

ceph osd crush add-bucket rackA-11-ssdpool rack
ceph osd crush add-bucket rackA-12-ssdpool rack
ceph osd crush add-bucket rackA-13-ssdpool rack

5、把rack类型的bucket分别移动到default/ssdpool的bucket中。

ceph osd crush move rackA-11 root=default
ceph osd crush move rackA-12 root=default
ceph osd crush move rackA-13 root=default

ceph osd crush move rackA-11-ssdpool root=ssdpool
ceph osd crush move rackA-12-ssdpool root=ssdpool
ceph osd crush move rackA-13-ssdpool root=ssdpool

6、按节点在机柜中的分布，把节点到对应的rack：

ceph osd crush move node-25 rack=rackA-11
ceph osd crush move node-28 rack=rackA-11
ceph osd crush move node-31 rack=rackA-11
ceph osd crush move node-34 rack=rackA-11

ceph osd crush move node-26 rack=rackA-12
ceph osd crush move node-29 rack=rackA-12
ceph osd crush move node-32 rack=rackA-12

ceph osd crush move node-27 rack=rackA-13
ceph osd crush move node-30 rack=rackA-13
ceph osd crush move node-33 rack=rackA-13
ceph osd crush move node-35 rack=rackA-13

ceph osd crush move node-25_ssdpool rack=rackA-11-ssdpool
ceph osd crush move node-28_ssdpool rack=rackA-11-ssdpool
ceph osd crush move node-31_ssdpool rack=rackA-11-ssdpool
ceph osd crush move node-34_ssdpool rack=rackA-11-ssdpool

ceph osd crush move node-26_ssdpool rack=rackA-12-ssdpool
ceph osd crush move node-29_ssdpool rack=rackA-12-ssdpool
ceph osd crush move node-32_ssdpool rack=rackA-12-ssdpool

ceph osd crush move node-27_ssdpool rack=rackA-13-ssdpool
ceph osd crush move node-30_ssdpool rack=rackA-13-ssdpool
ceph osd crush move node-33_ssdpool rack=rackA-13-ssdpool
ceph osd crush move node-35_ssdpool rack=rackA-13-ssdpool

执行ceph osd tree 查看集群层次结构是否符合预期；
7、创建replicated_rule_rack和replicated_rule_rack_ssdpool规则。
replicated_rule_rack：用于带缓存的osd，以rack为故障域的应用规则；
replicated_rule_rack_ssdpool：用于普通ssd分区为osd，以rack为故障域的应用规则；

ceph osd crush rule create-replicated {name} {root} {failure-domain-type}
//root，The name of the node under which data should be placed.即应该放置数据的root bucket的名称,例如default。

ceph osd crush rule create-replicated replicated_rule_rack default rack
ceph osd crush rule create-replicated replicated_rule_rack_ssdpool ssdpool rack

备注：可以结合以下命令验证创建的rule是否符合预期。
ceph osd crush rule ls 查看当前集群的rule规则
ceph osd crush rule dump xxx 查看某一个xxx rule的详细信息

[root@node-4 ~]# ceph osd crush rule ls
replicated_rule
replicated_rule_ssdpool
replicated_rule_rack
replicated_rule_rack_ssdpool
[root@node-4 ~]# ceph osd crush rule dump  replicated_rule_rack
{
    "rule_id": 2,
    "rule_name": "replicated_rule_rack",
    "ruleset": 2,
    "type": 1,
    "min_size": 1,
    "max_size": 10,
    "steps": [
        {
            "op": "take",
            "item": -1,
            "item_name": "default"
        },
        {
            "op": "chooseleaf_firstn",
            "num": 0,
            "type": "rack"
        },
        {
            "op": "emit"
        }
    ]
}

[root@node-4 ~]# ceph osd crush rule dump  replicated_rule_rack_ssdpool
{
    "rule_id": 3,
    "rule_name": "replicated_rule_rack_ssdpool",
    "ruleset": 3,
    "type": 1,
    "min_size": 1,
    "max_size": 10,
    "steps": [
        {
            "op": "take",
            "item": -4,
            "item_name": "ssdpool"
        },
        {
            "op": "chooseleaf_firstn",
            "num": 0,
            "type": "rack"
        },
        {
            "op": "emit"
        }
    ]
}

[root@node-4 ~]#

8、存储池应用规则。
应用上一步创建的replicated_rule_rack规则到除了ssdpool以外的其他存储池

for i in $(rados lspools | grep -v ssdpool);do  ceph osd pool set $i crush_rule replicated_rule_rack ;done

应用上一步创建的replicated_rule_rack规则到ssdpool的存储池

ceph osd pool set ssdpool crush_rule replicated_rule_rack_ssdpool

9、验证存储池规则，查看crush_rule，确保符合预期（rule id）。

ceph osd pool ls detail

[root@node-4 ~]# ceph osd pool ls detail
pool 1 '.rgw.root' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1479 lfor 0/825 flags hashpspool stripe_width 0 application rgw
pool 2 'volumes' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 2048 pgp_num 2048 last_change 1480 lfor 0/326 flags hashpspool stripe_width 0 application cinder-volume
    removed_snaps [1~21]
pool 3 'rbd' replicated size 3 min_size 1 crush_rule 2 object_hash rjenkins pg_num 64 pgp_num 64 last_change 1482 flags hashpspool stripe_width 0
    removed_snaps [1~9]
pool 4 'compute' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 512 pgp_num 512 last_change 1483 lfor 0/323 flags hashpspool stripe_width 0
    removed_snaps [1~4,6~e,15~1,1a~1,1c~6,2f~1]
pool 5 'ssdpool' replicated size 3 min_size 1 crush_rule 3 object_hash rjenkins pg_num 256 pgp_num 256 last_change 1492 flags hashpspool stripe_width 0
    removed_snaps [1~3]
pool 6 'default.rgw.control' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1484 lfor 0/896 flags hashpspool stripe_width 0 application rgw
pool 7 'default.rgw.meta' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1485 lfor 0/903 flags hashpspool stripe_width 0 application rgw
pool 8 'default.rgw.log' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1486 lfor 0/922 flags hashpspool stripe_width 0 application rgw
pool 9 'backups' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1487 lfor 0/929 flags hashpspool stripe_width 0 application cinder-backup
    removed_snaps [1~3]
pool 10 'metrics' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1488 lfor 0/936 flags hashpspool stripe_width 0
pool 11 'default.rgw.buckets.index' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1489 lfor 0/943 flags hashpspool stripe_width 0 application rgw
pool 12 'default.rgw.buckets.data' replicated size 3 min_size 2 crush_rule 2 object_hash rjenkins pg_num 128 pgp_num 128 last_change 1490 lfor 0/946 flags hashpspool stripe_width 0 application rgw

10、执行ceph –s 检查集群，等待恢复正常，重复步骤1检查集群状态，以及检查虚机业务是否正常使用。
11、如有必要，客户协助进行rack机柜下电，进行故障模拟。预期单个机柜内大于2台host主机下电不影响业务使用。
12、变更完成。

附录：
变更后ceph osd tree的结构图：

[root@node-4 ~]# ceph osd tree
ID  CLASS WEIGHT    TYPE NAME                    STATUS REWEIGHT PRI-AFF 
 -4         3.39185 root ssdpool                                         
-76         1.23340     rack rackA-11-ssdpool                            
-67         0.30835         host node-25_ssdpool                         
 98   hdd   0.30835             osd.98               up  1.00000 1.00000 
-58         0.30835         host node-28_ssdpool                         
 26   hdd   0.30835             osd.26               up  1.00000 1.00000 
-41         0.30835         host node-31_ssdpool                         
 53   hdd   0.30835             osd.53               up  1.00000 1.00000 
-49         0.30835         host node-34_ssdpool                         
 80   hdd   0.30835             osd.80               up  1.00000 1.00000 
-77         0.92505     rack rackA-12-ssdpool                            
-46         0.30835         host node-26_ssdpool                         
  8   hdd   0.30835             osd.8                up  1.00000 1.00000 
-55         0.30835         host node-29_ssdpool                         
 35   hdd   0.30835             osd.35               up  1.00000 1.00000 
-50         0.30835         host node-32_ssdpool                         
 62   hdd   0.30835             osd.62               up  1.00000 1.00000 
-78         1.23340     rack rackA-13-ssdpool                            
-37         0.30835         host node-27_ssdpool                         
 17   hdd   0.30835             osd.17               up  1.00000 1.00000 
-61         0.30835         host node-30_ssdpool                         
 44   hdd   0.30835             osd.44               up  1.00000 1.00000 
 -6         0.30835         host node-33_ssdpool                         
 71   hdd   0.30835             osd.71               up  1.00000 1.00000 
-64         0.30835         host node-35_ssdpool                         
 89   hdd   0.30835             osd.89               up  1.00000 1.00000 
 -1       642.12769 root default                                         
-73       233.50098     rack rackA-11                                    
-70        58.37524         host node-25                                 
 90   ssd   7.29691             osd.90               up  1.00000 1.00000 
 91   ssd   7.29691             osd.91               up  1.00000 1.00000 
 92   ssd   7.29691             osd.92               up  1.00000 1.00000 
 93   ssd   7.29691             osd.93               up  1.00000 1.00000 
 94   ssd   7.29691             osd.94               up  1.00000 1.00000 
 95   ssd   7.29691             osd.95               up  1.00000 1.00000 
 96   ssd   7.29691             osd.96               up  1.00000 1.00000 
 97   ssd   7.29691             osd.97               up  1.00000 1.00000 
 -3        58.37524         host node-28                                 
 18   ssd   7.29691             osd.18               up  1.00000 1.00000 
 19   ssd   7.29691             osd.19               up  1.00000 1.00000 
 20   ssd   7.29691             osd.20               up  1.00000 1.00000 
 21   ssd   7.29691             osd.21               up  1.00000 1.00000 
 22   ssd   7.29691             osd.22               up  1.00000 1.00000 
 23   ssd   7.29691             osd.23               up  1.00000 1.00000 
 24   ssd   7.29691             osd.24               up  1.00000 1.00000 
 25   ssd   7.29691             osd.25               up  1.00000 1.00000 
 -9        58.37524         host node-31                                 
 45   ssd   7.29691             osd.45               up  1.00000 1.00000 
 46   ssd   7.29691             osd.46               up  1.00000 1.00000 
 47   ssd   7.29691             osd.47               up  1.00000 1.00000 
 48   ssd   7.29691             osd.48               up  1.00000 1.00000 
 49   ssd   7.29691             osd.49               up  1.00000 1.00000 
 50   ssd   7.29691             osd.50               up  1.00000 1.00000 
 51   ssd   7.29691             osd.51               up  1.00000 1.00000 
 52   ssd   7.29691             osd.52               up  1.00000 1.00000 
 -7        58.37524         host node-34                                 
 72   ssd   7.29691             osd.72               up  1.00000 1.00000 
 73   ssd   7.29691             osd.73               up  1.00000 1.00000 
 74   ssd   7.29691             osd.74               up  1.00000 1.00000 
 75   ssd   7.29691             osd.75               up  1.00000 1.00000 
 76   ssd   7.29691             osd.76               up  1.00000 1.00000 
 77   ssd   7.29691             osd.77               up  1.00000 1.00000 
 78   ssd   7.29691             osd.78               up  1.00000 1.00000 
 79   ssd   7.29691             osd.79               up  1.00000 1.00000 
-74       175.12573     rack rackA-12                                    
-12        58.37524         host node-26                                 
  0   ssd   7.29691             osd.0                up  1.00000 1.00000 
  1   ssd   7.29691             osd.1                up  1.00000 1.00000 
  2   ssd   7.29691             osd.2                up  1.00000 1.00000 
  3   ssd   7.29691             osd.3                up  1.00000 1.00000 
  4   ssd   7.29691             osd.4                up  1.00000 1.00000 
  5   ssd   7.29691             osd.5                up  1.00000 1.00000 
  6   ssd   7.29691             osd.6                up  1.00000 1.00000 
  7   ssd   7.29691             osd.7                up  1.00000 1.00000 
-11        58.37524         host node-29                                 
 27   ssd   7.29691             osd.27               up  1.00000 1.00000 
 28   ssd   7.29691             osd.28               up  1.00000 1.00000 
 29   ssd   7.29691             osd.29               up  1.00000 1.00000 
 30   ssd   7.29691             osd.30               up  1.00000 1.00000 
 31   ssd   7.29691             osd.31               up  1.00000 1.00000 
 32   ssd   7.29691             osd.32               up  1.00000 1.00000 
 33   ssd   7.29691             osd.33               up  1.00000 1.00000 
 34   ssd   7.29691             osd.34               up  1.00000 1.00000 
 -8        58.37524         host node-32                                 
 54   ssd   7.29691             osd.54               up  1.00000 1.00000 
 55   ssd   7.29691             osd.55               up  1.00000 1.00000 
 56   ssd   7.29691             osd.56               up  1.00000 1.00000 
 57   ssd   7.29691             osd.57               up  1.00000 1.00000 
 58   ssd   7.29691             osd.58               up  1.00000 1.00000 
 59   ssd   7.29691             osd.59               up  1.00000 1.00000 
 60   ssd   7.29691             osd.60               up  1.00000 1.00000 
 61   ssd   7.29691             osd.61               up  1.00000 1.00000 
-75       233.50098     rack rackA-13                                    
 -5        58.37524         host node-27                                 
  9   ssd   7.29691             osd.9                up  1.00000 1.00000 
 10   ssd   7.29691             osd.10               up  1.00000 1.00000 
 11   ssd   7.29691             osd.11               up  1.00000 1.00000 
 12   ssd   7.29691             osd.12               up  1.00000 1.00000 
 13   ssd   7.29691             osd.13               up  1.00000 1.00000 
 14   ssd   7.29691             osd.14               up  1.00000 1.00000 
 15   ssd   7.29691             osd.15               up  1.00000 1.00000 
 16   ssd   7.29691             osd.16               up  1.00000 1.00000 
-10        58.37524         host node-30                                 
 36   ssd   7.29691             osd.36               up  1.00000 1.00000 
 37   ssd   7.29691             osd.37               up  1.00000 1.00000 
 38   ssd   7.29691             osd.38               up  1.00000 1.00000 
 39   ssd   7.29691             osd.39               up  1.00000 1.00000 
 40   ssd   7.29691             osd.40               up  1.00000 1.00000 
 41   ssd   7.29691             osd.41               up  1.00000 1.00000 
 42   ssd   7.29691             osd.42               up  1.00000 1.00000 
 43   ssd   7.29691             osd.43               up  1.00000 1.00000 
-40        58.37524         host node-33                                 
 63   ssd   7.29691             osd.63               up  1.00000 1.00000 
 64   ssd   7.29691             osd.64               up  1.00000 1.00000 
 65   ssd   7.29691             osd.65               up  1.00000 1.00000 
 66   ssd   7.29691             osd.66               up  1.00000 1.00000 
 67   ssd   7.29691             osd.67               up  1.00000 1.00000 
 68   ssd   7.29691             osd.68               up  1.00000 1.00000 
 69   ssd   7.29691             osd.69               up  1.00000 1.00000 
 70   ssd   7.29691             osd.70               up  1.00000 1.00000 
 -2        58.37524         host node-35                                 
 81   ssd   7.29691             osd.81               up  1.00000 1.00000 
 82   ssd   7.29691             osd.82               up  1.00000 1.00000 
 83   ssd   7.29691             osd.83               up  1.00000 1.00000 
 84   ssd   7.29691             osd.84               up  1.00000 1.00000 
 85   ssd   7.29691             osd.85               up  1.00000 1.00000 
 86   ssd   7.29691             osd.86               up  1.00000 1.00000 
 87   ssd   7.29691             osd.87               up  1.00000 1.00000 
 88   ssd   7.29691             osd.88               up  1.00000 1.00000 
[root@node-4 ~]#

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原文链接：https://blog.51cto.com/wendashuai/2509156

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